Jen Monson opened Hokulia Shave Ice, 310 N. Guadalupe St., San Marcos, on June 5. The mobile food vendor sells 50 flavors of authentic Hawaiian shaved ice. Customers can add on macadamia nut, vanilla or pineapple ice cream that is packed in the middle. The business also caters. 830-302-0235. www.hokuliashaveice.com. Twitter: @hokuliashaveice